2. Jiayuguan City: Located in the northwest of Longnan, it is a famous tourist city in China, about 220km away from Longnan.
3. Qingyang City: Located in the northeast of Longnan, it is a prefecture-level city in Gansu Province, about 200 kilometers away from Longnan.
4. Dingxi City: Located in the northeast of Longnan, it is a prefecture-level city in Gansu Province, about 150 km away from Longnan.